425220402456 has 48 divisors (see below), whose sum is σ = 1188788228160. Its totient is φ = 137167871040.

The previous prime is 425220402449. The next prime is 425220402473. The reversal of 425220402456 is 654204022524.

425220402456 is a `hidden beast` number, since 4 + 25 + 220 + 402 + 4 + 5 + 6 = 666.

It is a super-2 number, since 2×425220402456² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 425220402456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95253235 + ... + 95257698.

It is an arithmetic number, because the mean of its divisors is an integer number (24766421420).

Almost surely, 2^425220402456 is an apocalyptic number.

It is an amenable number.

425220402456 is an abundant number, since it is smaller than the sum of its proper divisors (763567825704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425220402456 is a wasteful number, since it uses less digits than its factorization.

425220402456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190510976 (or 190510969 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 425220402456 in words is "four hundred twenty-five billion, two hundred twenty million, four hundred two thousand, four hundred fifty-six".